Create your own at Storyboard ThatWhat are the positive effects of Black holes? By: Alana T. According to NASA, "A black hole is a place in space where gravity pulls so much that even light can not get out. The gravity is so strong because matter has been squeezed into a tiny space. This can happen when a star is dying." When you usually hear the words "Black hole", you think about these big, scary, light sucking, deadly things from space. Well, It's time to find out the truth, Are there any positive effects of Black holes? (Picture) NASA also believes that feedback may also be responsible for how some stars form. Black holes give what astronomers call "feedback", feedback is when a super massive Black hole is affecting its host galaxy. NASA believes that feedback helps keep galaxies from becoming too large. Black holes can create, not just destroy. There is an idea that our universe is inside of a black hole. This eliminates the notion of physically impossible singularities in our universe. And it draws upon two central theories in physics.